[R] First value in a row
cmora at dal.ca
Tue Jul 24 08:48:56 CEST 2012
This is likely a trivial problem but have not found a solution.
Imagine the following dataframe:
Lat Lon x1 x2 x3
01 10 NA NA .1
01 11 NA .2 .3
01 12 .4 .5 .6
I want to generate another column that consist of the first value in
each row from columns x1 to x3. That is
Any input greatly appreciated,
Camilo Mora, Ph.D.
Department of Geography, University of Hawaii
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